package com.hc.aspect;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.Enumeration;

/**
 * @auth admin
 * @date
 * @Description aop类
 */
@Aspect
@Component
public class WebLogAspect {

    private static final Logger log = LoggerFactory.getLogger(WebLogAspect.class);

    @Pointcut("execution(* com.hc.controller.*.*(..))")
    public void webLog() {
    }

    @Before("webLog()")
    public void doBefore(JoinPoint joinPoint) throws Throwable {
        //接收到请求，记录请求内容，可以保存到nosql中
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();
        //记录下请求内容
        log.info("URL:" + request.getRequestURL().toString());
        log.info("请求方法:" + request.getMethod());
        log.info("IP地址:" + request.getRemoteAddr());
        Enumeration<String> enu = request.getParameterNames();
        while (enu.hasMoreElements()) {
            String name = (String) enu.nextElement();
            log.info("name:{},value:{}", name, request.getParameter(name));
        }
    }

    @AfterReturning(returning = "ret", pointcut = "webLog()")
    public void doAfterReturning(Object ret) throws Throwable {
        //处理完请求,返回内容
//        log.info("返回内容 :" + ret);
    }
}